WARNING: This program has a syntax error, which means we need to fix it!
RULE #2: Variable names cannot have spaces in them.
- Click Run and read the error message to debug the program.
- num siblings is not a correct variable name. Change the variable name to num_siblings instead.
Use an underscore _ instead of a space. Create an underscore by clicking SHIFT and dash -.
To navigate the page using the TAB key, first press ESC to exit the code editor.